title: Is it safe to use methotrexate for selective injection in heterotopic pregnancy?
authors.forename: I E
authors.initials: IE
authors.lastname: Timor-Tritsch
mesh_terms: D002584:Cervix Uteri; D000075202:Contraindications; D005260:Female; D006801:Humans; D007267:Injections / Q000379:methods; D008727:Methotrexate / Q000008:administration & dosage; D011189:Potassium Chloride / Q000008:administration & dosage; D011247:Pregnancy / Q000502:physiology*; D011271:Pregnancy, Ectopic / Q000503:physiopathology*; D014599:Uterus
chemical_list: D011189:Potassium Chloride; D008727:Methotrexate